This looks really cool but I can't justify using it because of privacy concerns. Running this with a local ai and a strongly worded guarantee of no tracking/reselling of my metadata is something I would pay for.
You could always run it in a sandboxed browser (e.g. a Firefox profile) and limit the use to just language learning (e.g. reading neutral articles online). The data you would leak wouldn't be much different than what you risk any time you browse any website.
At the moment, Lingoku browser extension does send text to LLms for processing, we don't sell user data, but i agree that simply saying 'trust us' isn't sufficient.
Supporting local LLM is something we are actively considering, though there are still real constraints on the user experience.
